CN204125811U - A kind of cement concrete pavement longitudinal groove structure - Google Patents
A kind of cement concrete pavement longitudinal groove structure Download PDFInfo
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- CN204125811U CN204125811U CN201420497533.0U CN201420497533U CN204125811U CN 204125811 U CN204125811 U CN 204125811U CN 201420497533 U CN201420497533 U CN 201420497533U CN 204125811 U CN204125811 U CN 204125811U
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- cement concrete
- road surface
- longitudinal groove
- groove structure
- concrete pavement
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Abstract
The utility model discloses a kind of cement concrete pavement longitudinal groove structure, road surface is carved with along direction of traffic cannelure equally spacedly that be parallel to each other, the rectangular or inverted isosceles trapezoid of the cross section of described cannelure.The utility model and tradition, without compared with cutting road surface, in surface drainage, increase longitudinal frictional force coefficient to shorten braking distance, to increase cornering ratio to prevent there is very large advantage in sideslip, reduction pavement noise; And compare tradition laterally equidistant cutting road surface, all have a clear superiority in increase in road structure durability increasing the wearing and tearing that cornering ratio prevents from breakking away, reduces very noisy that noise and avoiding occurs that chopper frequency peak value produces, reduction pavement texture is subject to, therefore, there is good technique advantage, road traffic construction field can be widely used in.
Description
Technical field
This patent belongs to field of road, particularly relates to a kind of cement concrete pavement longitudinal groove structure.
Background technology
According to cement pavement road conditions empirical discovery for many years, the design of existing cement pavement has larger defect anti-skidding particularly generation in noise.Vehicle easily breaks away at bend, and in tunnel, driving or high speed traveling easily produce larger noise.Although and apply the longitudinal frictional force that more Transverse notch can provide larger, shorten braking distance, preventing from but not having in sideslip much effects, even also can produce larger noise.
Use longitudinal groove not only in noise abatement, to have good effect, avoid the interruption noise peak that equidistant Transverse notch occurs, can cornering ratio be increased simultaneously, effectively prevent vehicle from breakking away.Good effect is had in bend, tunnel use.
Utility model content
For above-mentioned technical problem, the utility model aims to provide a kind of cement concrete pavement longitudinal groove structure preventing sideslip preferably, reduce noise.
The utility model adopts following technical scheme:
A kind of cement concrete pavement longitudinal groove structure, road surface 2 is carved with along direction of traffic cannelure equally spacedly that be parallel to each other.
Further, the cross section of described cannelure is rectangular.
Further, the cross section of described cannelure is inverted isosceles trapezoid.
Further, the spacing h of described cannelure is 16mm to 30mm, and groove width w is 3 mm to 8mm, groove depth d is 3mm to 8mm.
Further, the spacing h of described cannelure is 16mm to 30mm, and slot opening j is 4mm to 8mm, and the wide w of bottom land is 2mm to 6mm, and groove depth d is 3mm to 8mm.
Further, the Micro texture be provided with for increasing frictional force is dug by wharf's pavement quality or fine purifiation in the road surface between described cannelure.
The object of this patent replaces not cutting or Transverse notch road surface with longitudinal groove on cement pavement, does the effect that can play and prevent sideslip preferably, reduce noise like this.
Compared with prior art, tool has the following advantages and beneficial effect the utility model:
(1) compare tradition not cutting road surface, in surface drainage, increase longitudinal frictional force coefficient to shorten braking distance, to increase cornering ratio to prevent there is very large advantage in sideslip, reduction pavement noise.
(2) compare traditional Transverse notch road surface, prevent from breakking away, reduce very noisy that noise and avoiding occurs that chopper frequency peak value produces, improve in comfort of driving a vehicle and all have a clear superiority in increasing cornering ratio.Compare Transverse notch, he effectively can reduce the wearing and tearing that road surface cutting is subject to simultaneously, to increase road structure durability, extends the road occupation time limit, thus saves highway construction cost aspect.
Accompanying drawing explanation
Fig. 1 is the cross sectional representation of the utility model embodiment one.
Fig. 2 is the schematic top plan view of the utility model embodiment one.
Fig. 3 is the cross sectional representation of the utility model embodiment two.
In figure: 1-road surface; 2-cannelure.
Detailed description of the invention
Be described in further detail utility model object of the present utility model below in conjunction with the drawings and specific embodiments, embodiment can not repeat one by one at this, but therefore embodiment of the present utility model is not defined in following examples.
embodiment one
As shown in Figure 1 to Figure 2, a kind of cement concrete pavement longitudinal groove structure, road surface 2 is carved with along direction of traffic cannelure 1 equally spacedly that be parallel to each other.
The cross section of described cannelure 1 is rectangular, its spacing h is 16mm to 30mm, and groove width w is 3 mm to 8mm, groove depth d is 3mm to 8mm, spacing h is herein the distance between the groove edge of adjacent two cannelures 1, instead of the distance between adjacent two cannelure 1 centers.
If cannelure 1 spacing is too small, affect construction speed, cannelure 1 spacing is excessive then affects again the anti-sideslip of cutting, drainage effect, and through repeatedly practical test, cannelure 1 spacing of 16mm to 30mm is comparatively suitable.And groove width too small time rainy day drainage performance frictional force that is not good, that provide little, groove width is crossed conference and is produced large noise, and through repeatedly practical test, the groove width resultant effect of 3 mm to 8mm is better.Groove depth is too small affects rainy day draining equally, crosses and does not deeply not only have multiaction, affect speed of application on the contrary, and through repeatedly practical test, the groove depth resultant effect of 3 mm to 8mm is better.
Meanwhile, the Micro texture be provided with for increasing frictional force is dug by wharf's pavement quality or fine purifiation in the road surface 2 between described cannelure 1.
The present embodiment compares tradition not cutting road surface, in surface drainage, increases longitudinal frictional force coefficient to shorten braking distance, to increase cornering ratio to prevent there is very large advantage in sideslip, reduction pavement noise.
The present embodiment compares traditional Transverse notch road surface, prevents from breakking away, reduces very noisy that noise and avoiding occurs that chopper frequency peak value produces, improves in comfort of driving a vehicle and all have a clear superiority in increasing cornering ratio.Compare Transverse notch, he effectively can reduce the wearing and tearing that road surface cutting is subject to simultaneously, to increase road structure durability, extends the road occupation time limit, thus saves highway construction cost aspect.
embodiment two
As shown in Figure 3, a kind of cement concrete pavement longitudinal groove structure, road surface 2 is carved with along direction of traffic cannelure 1 equally spacedly that be parallel to each other.
Similar with embodiment one, considering factor in the drainage performance, noise, frictional force, construction etc. four of cannelure 1, cannelure 1 spacing h is 16mm to 30mm, slot opening j is 4mm to 8mm, the wide w of bottom land is 2mm to 6mm, groove depth d is that 3mm to 8mm is comparatively suitable, and spacing h is herein the distance between the groove edge of adjacent two cannelures 1, instead of the distance between adjacent two cannelure 1 centers.
Meanwhile, the Micro texture be provided with for increasing frictional force is dug by wharf's pavement quality or fine purifiation in the road surface between described cannelure 1.
The present embodiment compares tradition not cutting road surface, in surface drainage, increases longitudinal frictional force coefficient to shorten braking distance, to increase cornering ratio to prevent there is very large advantage in sideslip, reduction pavement noise.
The present embodiment compares traditional Transverse notch road surface, prevents from breakking away, reduces very noisy that noise and avoiding occurs that chopper frequency peak value produces, improves in comfort of driving a vehicle and all have a clear superiority in increasing cornering ratio.Compare Transverse notch, he effectively can reduce the wearing and tearing that road surface cutting is subject to simultaneously, to increase road structure durability, extends the road occupation time limit, thus saves highway construction cost aspect.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all embodiments.All do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., within the protection domain that all should be included in the utility model claim.
Claims (6)
1. a cement concrete pavement longitudinal groove structure, is characterized in that: on road surface (2), be carved with the cannelure (1) be parallel to each other along direction of traffic equally spacedly.
2. cement concrete pavement longitudinal groove structure according to claim 1, is characterized in that: the cross section of described cannelure (1) is rectangular.
3. cement concrete pavement longitudinal groove structure according to claim 1, is characterized in that: the cross section of described cannelure (1) is inverted isosceles trapezoid.
4. cement concrete pavement longitudinal groove structure according to claim 2, it is characterized in that: the spacing h of described cannelure (1) is 16mm to 30mm, groove width w is 3 mm to 8mm, groove depth d is 3mm to 8mm.
5. cement concrete pavement longitudinal groove structure according to claim 3, it is characterized in that: the spacing h of described cannelure (1) is 16mm to 30mm, and slot opening j is 4mm to 8mm, the wide w of bottom land is 2mm to 6mm, and groove depth d is 3mm to 8mm.
6. the cement concrete pavement longitudinal groove structure according to any one of claim 1 to 5, is characterized in that: the Micro texture be provided with for increasing frictional force is dug by wharf's pavement quality or fine purifiation in the road surface (2) between described cannelure (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497533.0U CN204125811U (en) | 2014-08-29 | 2014-08-29 | A kind of cement concrete pavement longitudinal groove structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420497533.0U CN204125811U (en) | 2014-08-29 | 2014-08-29 | A kind of cement concrete pavement longitudinal groove structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125811U true CN204125811U (en) | 2015-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420497533.0U Expired - Fee Related CN204125811U (en) | 2014-08-29 | 2014-08-29 | A kind of cement concrete pavement longitudinal groove structure |
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| Country | Link |
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| CN (1) | CN204125811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213489A (en) * | 2014-08-29 | 2014-12-17 | 华南理工大学 | Cement concrete pavement longitudinal groove carving structure |
-
2014
- 2014-08-29 CN CN201420497533.0U patent/CN204125811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104213489A (en) * | 2014-08-29 | 2014-12-17 | 华南理工大学 | Cement concrete pavement longitudinal groove carving structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20170829 |
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| CF01 | Termination of patent right due to non-payment of annual fee |